INTERLEUKIN-15

摘要

There is disclosed a mammalian epithelium-derived T-cell factor ("ETF") poly peptide referred to herein as Interleukin-15 ("IL-15"), derivatives thereof, DNA sequences, recombinant DNA molecules and transforme d host cells that produce IL-15 polypeptides. More particularly, this invention provides isolated mammalian IL-15 polypeptides and derivatives thereof that regulate events in T-lympho cyte proliferation.